Just follow some simple steps and enjoy:-

3. After that IDEA customer care will call you ....... Wait for their call..... They will ask u why you are leaving IDEA.

4.Just tell them Idea have very high rate plan and i am not satisfied it. They will ask u in which company you will port. Just tell them any company's. Name and after that they will ask you some silly questions . Answer them wisely. Don't be have fear.

5.At last they have no options they will provide you 300 Mb internet .

Note:- this trick is confirmed working in Kerala.... Other states user can also try his. You can also try this trick for reducing your call rate . But u have to say it that I am not satisfied your call rate.